/usr/obj is 11GB huge on FreeBSD 12-current

Wolfram Schneider wosch at freebsd.org
Fri Dec 15 16:51:23 UTC 2017

On 15 December 2017 at 13:02, David Wolfskill <david at catwhisker.org> wrote:
> On Fri, Dec 15, 2017 at 10:12:09AM +0100, Wolfram Schneider wrote:
>> Hi,
>> I upgraded a machine from 11-stable to 12-current. The /usr/obj tree
>> is now 11GB huge:
>> FreeBSD 12-current
>> $ du -hs /usr/obj
>>  11G /usr/obj
>> on FreeBSD 11-stable it was less the size:
>> $ du -hs /usr/obj
>> 5.6G /usr/obj
>> this is a problem when you have a small VM with 20GB disk space or less.
>> Is there a way to use less /usr/obj disk space during build? I know
>> that we have to do some bootstrapping for newer compiler tools, but
>> does we need to keep all temp files during the build?
> There was a change near the beginning of November; please see UPDATING
> entry 20171101 -- you probably have several no-longer-used
> subdirectories under /usr/obj/usr/src/.
> Once those are cleared out, my experience (tracking stable/11 & head in
> different slices on the same machines) is that stbale/11 is using about
> 5.0G, while head uses about 6.1G.

I think the suspect directories are "tmp" and "obj-lib32", together
they are 4.1GB huge.

I will run a build of current again with a clean obj tree (-current on
a recent -current). Let's see.

Can we agree that the obj tree should not grow from 5GB to 10GB for
the next release?


Wolfram Schneider <wosch at FreeBSD.org> https://wolfram.schneider.org

More information about the freebsd-current mailing list